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makeDesktopItem: improve error messages

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This commit is contained in:
Jörg Thalheim 2022-03-07 17:28:20 +01:00 committed by ehmry
parent 878480eec4
commit 9a5b1d3ca2
1 changed files with 12 additions and 12 deletions
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24
pkgs/build-support/make-desktopitem/default.nix
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@ -36,7 +36,7 @@
let
# FIXME: workaround until https://github.com/NixOS/nixpkgs/pull/162246 lands
cleanName = if lib.hasInfix " " name
then throw "Name must not contain spaces!"
then throw "makeDesktopItem: name must not contain spaces!"
else name;
# There are multiple places in the FDO spec that make "boolean" values actually tristate,
@ -45,13 +45,13 @@ let
boolOrNullToString = value:
if value == null then null
else if builtins.isBool value then lib.boolToString value
else throw "Value must be a boolean or null!";
else throw "makeDesktopItem: value must be a boolean or null!";
# Multiple values are represented as one string, joined by semicolons.
# Technically, it's possible to escape semicolons in values with \;, but this is currently not implemented.
renderList = value:
if !builtins.isList value then throw "Value must be a list!"
else if builtins.any (item: lib.hasInfix ";" item) value then throw "Values in list must not contain semicolons!"
renderList = key: value:
if !builtins.isList value then throw "makeDesktopItem: value for ${key} must be a list!"
else if builtins.any (item: lib.hasInfix ";" item) value then throw "makeDesktopItem: values in ${key} list must not contain semicolons!"
else if value == [] then null
else builtins.concatStringsSep ";" value;
@ -65,18 +65,18 @@ let
"NoDisplay" = boolOrNullToString noDisplay;
"Comment" = comment;
"Icon" = icon;
"OnlyShowIn" = renderList onlyShowIn;
"NotShowIn" = renderList notShowIn;
"OnlyShowIn" = renderList "onlyShowIn" onlyShowIn;
"NotShowIn" = renderList "notShowIn" notShowIn;
"DBusActivatable" = boolOrNullToString dbusActivatable;
"TryExec" = tryExec;
"Exec" = exec;
"Path" = path;
"Terminal" = boolOrNullToString terminal;
"Actions" = renderList (builtins.attrNames actions);
"MimeType" = renderList mimeTypes;
"Categories" = renderList categories;
"Implements" = renderList implements;
"Keywords" = renderList keywords;
"Actions" = renderList "actions" (builtins.attrNames actions);
"MimeType" = renderList "mimeTypes" mimeTypes;
"Categories" = renderList "categories" categories;
"Implements" = renderList "implements" implements;
"Keywords" = renderList "keywords" keywords;
"StartupNotify" = boolOrNullToString startupNotify;
"StartupWMClass" = startupWMClass;
"URL" = url;